001
014
015 package com.liferay.portal.dao.db;
016
017 import com.liferay.portal.kernel.dao.db.DB;
018 import com.liferay.portal.kernel.io.unsync.UnsyncBufferedReader;
019 import com.liferay.portal.kernel.io.unsync.UnsyncStringReader;
020 import com.liferay.portal.kernel.util.StringBundler;
021 import com.liferay.portal.kernel.util.StringPool;
022 import com.liferay.portal.kernel.util.StringUtil;
023
024 import java.io.IOException;
025
026
031 public class InformixDB extends BaseDB {
032
033 public static DB getInstance() {
034 return _instance;
035 }
036
037 @Override
038 public String buildSQL(String template) throws IOException {
039 template = convertTimestamp(template);
040 template = replaceTemplate(template, getTemplate());
041
042 template = reword(template);
043 template = removeNull(template);
044
045 return template;
046 }
047
048 protected InformixDB() {
049 super(TYPE_INFORMIX);
050 }
051
052 @Override
053 protected String buildCreateFileContent(
054 String sqlDir, String databaseName, int population)
055 throws IOException {
056
057 String suffix = getSuffix(population);
058
059 StringBundler sb = new StringBundler(22);
060
061 sb.append("database sysmaster;\n");
062 sb.append("drop database ");
063 sb.append(databaseName);
064 sb.append(";\n");
065 sb.append("create database ");
066 sb.append(databaseName);
067 sb.append(" WITH LOG;\n");
068 sb.append("\n");
069 sb.append("create procedure 'lportal'.isnull(test_string varchar)\n");
070 sb.append("returning boolean;\n");
071 sb.append("IF test_string IS NULL THEN\n");
072 sb.append("\tRETURN 't';\n");
073 sb.append("ELSE\n");
074 sb.append("\tRETURN 'f';\n");
075 sb.append("END IF\n");
076 sb.append("end procedure;\n");
077 sb.append("\n\n");
078 sb.append(getCreateTablesContent(sqlDir, suffix));
079 sb.append("\n\n");
080 sb.append(readFile(sqlDir + "/indexes/indexes-informix.sql"));
081 sb.append("\n\n");
082 sb.append(readFile(sqlDir + "/sequences/sequences-informix.sql"));
083
084 return sb.toString();
085 }
086
087 @Override
088 protected String getServerName() {
089 return "informix";
090 }
091
092 @Override
093 protected String[] getTemplate() {
094 return _INFORMIX_TEMPLATE;
095 }
096
097 @Override
098 protected String reword(String data) throws IOException {
099 UnsyncBufferedReader unsyncBufferedReader = new UnsyncBufferedReader(
100 new UnsyncStringReader(data));
101
102 StringBundler sb = new StringBundler();
103
104 String line = null;
105
106 boolean createTable = false;
107
108 while ((line = unsyncBufferedReader.readLine()) != null) {
109 if (line.startsWith(ALTER_COLUMN_NAME)) {
110 String[] template = buildColumnNameTokens(line);
111
112 line = StringUtil.replace(
113 "rename column @table@.@old-column@ TO @new-column@;",
114 REWORD_TEMPLATE, template);
115 }
116 else if (line.startsWith(ALTER_COLUMN_TYPE)) {
117 String[] template = buildColumnTypeTokens(line);
118
119 line = StringUtil.replace(
120 "alter table @table@ modify (@old-column@ @type@);",
121 REWORD_TEMPLATE, template);
122 }
123 else if (line.startsWith(ALTER_TABLE_NAME)) {
124 String[] template = buildTableNameTokens(line);
125
126 line = StringUtil.replace(
127 "rename table @old-table@ to @new-table@;",
128 RENAME_TABLE_TEMPLATE, template);
129 }
130 else if (line.contains(DROP_INDEX)) {
131 String[] tokens = StringUtil.split(line, ' ');
132
133 line = StringUtil.replace(
134 "drop index @index@;", "@index@", tokens[2]);
135 }
136 else if (line.indexOf("typeSettings text") > 0) {
137 line = StringUtil.replace(
138 line, "typeSettings text", "typeSettings lvarchar(4096)");
139 }
140 else if (line.indexOf("varchar(300)") > 0) {
141 line = StringUtil.replace(
142 line, "varchar(300)", "lvarchar(300)");
143 }
144 else if (line.indexOf("varchar(500)") > 0) {
145 line = StringUtil.replace(
146 line, "varchar(500)", "lvarchar(500)");
147 }
148 else if (line.indexOf("varchar(1000)") > 0) {
149 line = StringUtil.replace(
150 line, "varchar(1000)", "lvarchar(1000)");
151 }
152 else if (line.indexOf("varchar(1024)") > 0) {
153 line = StringUtil.replace(
154 line, "varchar(1024)", "lvarchar(1024)");
155 }
156 else if (line.indexOf("1970-01-01") > 0) {
157 line = StringUtil.replace(
158 line, "1970-01-01", "1970-01-01 00:00:00.0");
159 }
160 else if (line.contains("create table")) {
161 createTable = true;
162 }
163 else if (line.contains(");") && createTable) {
164 line = StringUtil.replace(
165 line, ");",
166 ")\nextent size 16 next size 16\nlock mode row;");
167
168 createTable = false;
169 }
170 else if (line.contains("commit;")) {
171 line = StringPool.BLANK;
172 }
173
174 sb.append(line);
175 sb.append("\n");
176 }
177
178 unsyncBufferedReader.close();
179
180 return sb.toString();
181 }
182
183 private static final String[] _INFORMIX_TEMPLATE = {
184 "--", "'T'", "'F'", "'1970-01-01'", "CURRENT YEAR TO FRACTION", " blob",
185 " blob", " boolean", " datetime YEAR TO FRACTION", " float", " int",
186 " int8", " lvarchar", " text", " varchar", "", "commit"
187 };
188
189 private static InformixDB _instance = new InformixDB();
190
191 }